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Anatomy > Upper Extremity Muscle Actions > Flashcards

Upper Extremity Muscle Actions Flashcards

1
Q

flexor carpi radialis

A

flexes and ABducts hand at wrist

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2
Q

flexor carpi ulnaris

A

flexes and ADducts hand at wrist

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3
Q

flexor digitorum profundus

A

flexes distal phalanges of medial 4 digits; assists with flexion of hand at wrist

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4
Q

flexor digitorum superficialis

A

flexes middle and proximal phalanges of medial 4 digits; flexes hand at wrist

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5
Q

flexor pollicis longus

A

flexes phalanges of thumb

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6
Q

palmaris longus

A

flexes hand at wrist and tenses palmar aponeurosis

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7
Q

pronator quadratus

A

pronates forearm

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8
Q

pronator teres

A

pronates forearm and assists with elbow flexion

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9
Q

anconeus

A

assists triceps in extending elbow; ABducts ulna in pronation

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10
Q

biceps brachii

A

flexes and supinates forearm at elbow

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11
Q

brachialis

A

flexes forearm at elbow

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12
Q

coracobrachialis

A

flexes and ADducts arm at shoulder

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13
Q

triceps brachii

A

extends forearm at elbow; long head extends and adducts arm at shoulder

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14
Q

abductor digiti minimi

A

abducts pinky

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15
Q

abductor pollicis brevis

A

abducts thumb

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16
Q

adductor pollicis

A

adducts thumb

17
Q

dorsal interossei (DABS)

A

ABduct digits from axial line of hand (3rd digit); flexes digits at MCP joints; extend IP joints

18
Q

palmar interossei (PAD)

A

ADduct digits toward axial line of hand (3rd digit); flex digits at MCP joints; extend IP joints

19
Q

flexor digiti minimi brevis

A

flex proximal phalanx of pinky

20
Q

flexor pollicis brevis

A

flexes proximal phalanx of thumb

21
Q

lumbricals

A

extend digits at IP joints; flex MCP joints

22
Q

opponens digiti minimi

A

draws 5th metacarpal anteriorly and rotates it to face thumb

23
Q

opponens pollicis

A

draws 1st metacarpal anteriorly and rotates it medially

24
Q

palmaris brevis

A

tightens palmar aponeurosis; assists grip

25
Q

abductor pollicis longus

A

abducts and extends thumb at CMC joint

26
Q

brachioradialis

A

weak flexion of forearm

27
Q

extensor carpi radialis brevis

A

extends and ABducts hand at wrist

28
Q

extensor carpi radialis longus

A

extends and ABducts hand at wrist

29
Q

extensor carpi ulnaris

A

extends and ADducts hand at wrist

30
Q

extensor digiti minimi

A

extends 5th digit

31
Q

extensor digitorum

A

extends medial 4 digits; assists in wrist extension

32
Q

extensor indicis

A

extends 2nd digit; assits in wrist extension

33
Q

extensor pollicis brevis

A

extends proximal phalanx of thumb at CMC joint

34
Q

extensor pollicis longus

A

extends distal phalanx of thumb at IP and MCP joints

35
Q

supinator

A

supinates forearm

Anatomy (11 decks)

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